1/4" x 2-3/4" Blue Slotted Hex Tapcon Concrete Screws (100 pcs)
Diameter: 1/4" Length: 2-3/4" Material: Steel Finish: Blue Ruspert Head Style: Hex Washer (5/16" Hex) Drill Size: 3/16" Thread Length: Partial Type: Masonry Screw Box of 100. A tapered screw used to attach objects to concrete, brick and block.